The present study investigates the potential interference of the cell culture confluence rate on cell FTIR signature. Significant spectral differences were observed on cells harvested at different confluence rates. Yet, these differences were weak when compared to those induced by sub-lethal ouabain ...
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Thus, any presence of PMMA in the acetone-insoluble part as indicated by an absorption band at 1725 cm−1 in its FTIR spectrum is evidence for a chemical reaction that results in the changed solubility of the PMMA in acetone and thus is strongly indicative of PC/PMMA graft copolymer ...
Unlike more common polymers, such as ABS, polylactic acid (PLA), or modified polyethylene terephthalate-glycol (PETG), literature on 3D printed ABS-PC blends is scarce and does not include mechanical behavior after exposure to artificial radiation in the UV-C spectrum. Additionally, the study of...
Figure 4. (a) 2D-WAXD diagram of fiber filament films and The corresponding equatorial azimuthal spectrum. (b) Diagram of fiber wire pulling up a 30-g weight. (c) Relationship between tensile strength, storage modulus, and tensile fracture of fibers. (d) Storage and loss index of fibers ...
The opaque material produced with zinc acetylacetonate as catalyst (Figure 6b(9)) likely contains a minor fraction of PC-g-PMMA copolymer as indicated by the small shoulder at 1720 cm−1 in the respective FTIR spectrum of its acetone insoluble fraction. Obviously, the amount of the PC-g-...
PC/ABS;mechanical recycling;automotive scraps;design of experiments;mixture design 1. Introduction Versatility and different ranges of properties of plastic materials are the key elements that have promoted their widespread application across a broad spectrum of consumer and industrial uses, becoming a com...
3.1. FTIR The FTIR was investigated to confirm the incorporation of SEBS-g-MAH into the composites.Figure 2shows the FTIR spectra of PC/ABS composites with the presence of SEBS-g-MAH. The pristine PC/ABS spectrum exhibits deformation of the C–H bond of hydrogen atoms attached to the alke...